"Stay Tonight" is a song by South Korean singer Chungha as the lead single from her debut Korean-language studio album Querencia. The song was released on April 27, 2020, by MNH Entertainment and Stone Music. It was written and produced by VINCENZO, Any Masingga, Fuxxy and Anna Timgren. "Stay Tonight" is a house and disco-pop song.

Kim Chung-ha, known mononymously as Chungha, is a South Korean pop singer, dancer and choreographer. She finished fourth in Mnet's girl group survival show Produce 101, becoming a member of the resulting girl group I.O.I. Following the dissolution of I.O.I in 2017, Chungha debuted as a solo artist with the extended play Hands on Me.